An electric railway for the transport of passengers with the capacity for a heavy volume of traffic and characterised by exclusive rights-of-way, multi-car trains, high speed and rapid acceleration, sophisticated signalling to allow a high frequency of trains, and high platform load. Metros are also characterised by frequent stations, normally meaning a distance of 700 – 1,200 m between the stations. In Los Angeles, Metro is used to market the public transportation services of the Los Angeles County Metropolitan Transportation Authority.